Generators that run on gasoline or propane, so you can store fuel that never goes stale.
Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Best Dual-Fuel Inverter Generators: Small
- Champion 2500W Dual Fuel Inverter#1 of 3Full review
A small, quiet dual-fuel inverter for campers and light outage backup who want the option of propane.
Amazon $575$5751,8505311.5$0.31 - DuroMax XP2300iH#2 of 3Full review
A small dual-fuel inverter for campers and RV owners who want propane flexibility, long runtime and CO shutoff in one quiet package. It costs more than lookalikes but includes wheels, a 30 A outlet and a parallel cable.
DuroMax $649$6491,8005213$0.36 - A-iPower SUA2301iD#3 of 3Full review
A budget dual-fuel camping and RV inverter with wheels and automatic fuel switchover. A good pick if propane backup matters more than published specs.
Amazon $418.49$418.491,80061-$0.23
Best Dual-Fuel Inverter Generators: Mid-size
- Westinghouse iGen5000DFc#1 of 9Full review
A mid-size dual-fuel generator that can run a 30 A RV or a house’s essentials all night on one tank. Good for buyers who want long run time and remote start.
Amazon $999$9993,9005218$0.26 - Generac iQ3800 DF#2 of 9Full review
A dual-fuel mid-size inverter with long run time and electric start, suited to home essentials and jobsites. RV owners will need an L5-30 adapter for the 30 A outlet.
Amazon $849$8493,000-20$0.28 - Westinghouse iGen4000DFc#3 of 9Full review
A compact dual-fuel generator for travel trailers and essential home circuits, with remote start and CO shutoff. Its small tank is the main trade-off.
Amazon $749.99$749.993,300527$0.23 - Generac iQ5200 DF#4 of 9Full review
A dual-fuel inverter with enough surge for an RV air conditioner and long propane run time. A good fit for home essentials and 30 A campers willing to use an adapter.
Amazon $1,039.75$1,039.753,900-15$0.27 - Predator 5000 Super Quiet Dual Fuel#5 of 9Full review
A strong-value dual-fuel RV and home-backup generator with remote start and long run time. The short warranty is the main catch.
Harbor Freight $999.99$999.993,90060.518.2$0.26 - WEN DF480iX#6 of 9Full review
A light, low-cost dual-fuel inverter for RVs and outages, with CO shutoff and electric start. Plan on frequent refuelling or a propane tank for long runs.
Amazon $647$6474,000627$0.16 - Champion 4500W Dual Fuel Inverter#7 of 9Full review
A quiet dual-fuel inverter for 30 A RVs and outage backup of a fridge, freezer and a few circuits. Propane lets you store it ready to run.
Amazon $988.62$988.623,5006114$0.28 - A-iPower SUA4300iD#8 of 9Full review
An affordable dual-fuel inverter for RV owners and light home backup that needs to run an air conditioner or fridge on either fuel. Wheels and CO shutoff make it easy to live with.
Amazon $649.99 A-iPower $599.99$599.993,450637.5$0.17 - Champion 4000W Dual Fuel Inverter#9 of 9Full review
A compact dual-fuel inverter for small RVs and basic home backup at a low price per watt. It can just about run a small RV air conditioner, but don’t expect much else alongside it.
Amazon $719$7193,0006410$0.24
Best Dual-Fuel Inverter Generators: Large
- Westinghouse iGen8200TFc#1 of 7Full review
A tri-fuel inverter for home backup through a transfer switch, with clean power and a 50 A outlet. Natural gas hookup makes it a strong pick for long outages.
Amazon $1,399$1,3996,6006017$0.21 - DuroMax XP9500iH#2 of 7Full review
A home-backup inverter for people who want to run most of a house, including central air on many systems, through a transfer switch. Long runtime, CO shutoff and a five-year warranty make it good value for its size.
Amazon $1,999$1,9997,6006121$0.26 - Westinghouse iGen12000DFc#3 of 7Full review
A large dual-fuel inverter for whole-home backup with clean power and long run time. Best for homeowners with a transfer switch who want inverter quiet at open-frame output.
Amazon $1,899$1,8999,0006419$0.21 - Champion 6500W Tri Fuel Inverter#4 of 7Full review
A mid-size home-backup inverter for people with a natural gas line or a transfer switch who want unattended starting. It also covers a 30 A RV.
Amazon $1,299$1,2995,2506418$0.25 - WEN TF1050iX#5 of 7Full review
A tri-fuel home-backup inverter that can sit on natural gas indefinitely. Good for a transfer switch or a 50 A RV.
WEN $1,649$1,6498,5506610.5$0.19 - GENMAX GM8000iETC#6 of 7Full review
A mid-priced tri-fuel inverter for home backup through a transfer switch, especially for houses with a natural gas line. Auto start, app control and CO shutoff are unusual at this price.
Amazon $1,499.99$1,499.996,0006210$0.25 - Champion 10000W Tri Fuel Open Frame#7 of 7Full review
A big, low-cost-per-watt open-frame inverter for whole-house backup on gas, propane or natural gas. Too loud for campgrounds.
Amazon $1,398.82$1,398.827,7507215$0.18
